Pentax HD D-FA* 70-200mm F2.8 ED DC AW Lens

PentaxSKU: 27075286917

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Sale price£1,749.00 Regular price£2,079.00

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Product Description

Pentax HD D-FA* 70-200mm F2.8 ED DC AW Lens

  • Image circle covering Full-frame sensor
  • 3X ratio telezoom (eq. to 107-307mm for APS-C)
  • Wide constant aperture F2.8
  • Smooth, quiet autofocus operation driven by a built-in DC motor
  • ED lens elements for brilliant sharpness and saturated colours

 

This telephoto zoom lens has been developed as a new model of the PENTAX Star series, which boasts the highest image quality of all PENTAX interchangeable lenses by compensating various aberrations to a minimum.

High-performance Star (★)-series lens with large F2.8 maximum aperture
This telephoto zoom lens has been developed as a new model of the high-performance Star (★) series, which assures exceptional image rendition with edge-to-edge sharpness by effectively compensating various aberrations to a minimum. It provides a zoom ratio of approximately 2.9 times to cover a telephoto range from 107mm to 307mm in the 35mm format. Since it provides a large maximum aperture of F2.8 over the entire zoom range, it is ideal for portraiture with beautifully defocused foreground/background and sports photography demanding high shutter speeds to freeze the action.

State-of-the-art optical technology
This zoom lens is treated with the newly developed Aero Bright Coating II — a lens-coating nanotechnology that employs a super-low refractive film fabrication process to assure light reflectance lower than that of the conventional Aero Bright Coating.

Dustproof, weather-resistant construction
Developed as an AW (All Weather) model, this zoom lens features a dependable dustproof, weather-resistant construction with 13 special seals to prevent the intrusion of water and dust particles into the lens interior.

Newly installed three-position switch for Quick-Shift Focus System
In order to improve its operability, a three-position switch is newly installed on this lens, allowing instant switching among QFS/A, QFS/M and MF modes. QFS/A is an autofocus-priority mode, which allows the user to switch to manual-focusing operation only when autofocus operation is completed. QFS/M is a manual-focus-priority mode, which enables the user to switch to manual focusing at any time — even when the AF system is in operation. MF mode allows the user to instantly switch to manual focusing with a simple twist of the focus ring on the lens. With a choice of three distinctive modes, the user is assured of speedier, more accurate focusing operation for a given subject or application.

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Focal Length

70-200mm (in 35mm format equivalent) 107-307mm

Maximum Aperture F2.8
Minimum Aperture F22
Lens Construction

19 elements in 16 groups

Angle of View

23-8.1° (when attached to PENTAX digital SLR cameras) 34.5-12.5° (when attached to PENTAX 35mm SLR cameras)

Mount KAF3
Minimum Focusing Distance 1.2m
Maximum Magnification 0.13x
Filter Diameter 77mm
Diaphragm Control Fully automatic
Number of Diaphragm Blades 9
Maximum Diameter x Length

Approx.91.5mm x 203mm

Weight

Approx.1755g (with hood Approx.1835g) (with hood and tripod mount Approx.2030g)

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Understanding: Aperture

Aperture is the opening in a camera lens that controls how much light enters the camera. It's measured in f-stops like f/2.8 or f/8. Lower f-stop numbers mean wider openings, letting in more light and creating a shallow depth of field (blurry background). Higher f-stop numbers mean smaller openings, letting in less light and creating a larger depth of field (more of the scene in focus). Aperture also affects the quality of out-of-focus areas in the image (bokeh).

Understanding: Lens Types

Different lenses have different purposes to achieve different styles of images, some popular ones include:
Prime Lens: Fixed focal length, sharp images, great for portraits and dark settings.
Zoom Lens: Variable focal length, versatile for different shots and everyday use..
Wide-Angle Lens: Captures wide scenes like landscapes.
Telephoto Lens: Magnifies distant subjects, ideal for sports & wildlife.
Macro Lens: Perfect for close-up photography of small subjects.
Fisheye Lens: Ultra-wide perspective, creates unique images.

Understanding: Lens Mounts

Different camera brands use different lens mounts, which are like connectors that attach lenses to camera bodies. Each mount is specific to a particular brand and camera series. For example, Canon uses the EF and RF mounts, Nikon uses the F mount, Sony uses the E mount for its mirrorless cameras. These mounts dictate which lenses are compatible with which cameras. Some brands offer adapters to use lenses from other systems, but it's essential to ensure compatibility for proper functionality and autofocus performance.

Understanding: Manual and Autofocus

Manual focus and autofocus are two ways to adjust the sharpness of a camera lens. With manual focus, you turn a ring on the lens to bring the subject into focus yourself, giving you full control over what appears sharp in the image. Autofocus, on the other hand, relies on the camera's built-in technology to automatically adjust the focus for you, usually by detecting contrast or phase differences in the scene. Autofocus can be convenient, especially for fast-moving subjects or when you need to capture a quick shot, whereas manual focus allows for precise adjustments and creative control over the final image.

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